Home / 437,630.39-656,556.28-122,087.06

Finding the Fourth Proportional to 437,630.39, 656,556.28 and 122,087.06

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Solution

The fourth proportional to 437,630.39, 656,556.28 and 122,087.06 is: 183,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,630.39 : 656,556.28 = 122,087.06 : x
  2. Step 2: Convert to fraction form
    437,630.39/656,556.28 = 122,087.06/x
  3. Step 3: Cross multiply
    437,630.39x = 656,556.28 × 122,087.06
  4. Step 4: Simplify right side
    437,630.39x = 80,157,022,361.74
  5. Step 5: Solve for x
    x = 80,157,022,361.74/437,630.39
  6. Step 6: Final answer
    x = 183,161.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.